Submission #347341

#	Time	Username	Problem	Language	Result	Execution time	Memory
347341		ogibogi2004	Game (IOI14_game)	C++14	100 / 100	627 ms	34356 KiB

game

#include "game.h"
#include<bits/stdc++.h>
using namespace std;
const int MAXN=1502;
int cnte[MAXN][MAXN];
int par[MAXN],n1;
int asked[MAXN][MAXN];
void join(int p,int q)
{
	for(int i=0;i<n1;i++)
	{
		if(par[i]==q)par[i]=p;
	}
	for(int i=0;i<n1;i++)
	{
		if(p==i)continue;
		cnte[i][p]+=cnte[i][q];
		cnte[p][i]=cnte[i][p];
	}
}
void initialize(int n) {
	n1=n;
	for(int i=0;i<n;i++)
	{
		par[i]=i;
		for(int j=0;j<n;j++)
		{
			if(i!=j)cnte[i][j]=1;
		}
	}
}

int hasEdge(int u, int v) {
	/*for(int i=1;i<=n1;i++)
	{
		for(int j=1;j<=n1;j++)
		{
			cout<<cnte[i][j]<<" ";
		}
		cout<<endl;
	}*/
	if(asked[u][v]!=0)
	{
		return (asked[u][v]+1)/2;
	}
	int p=par[u],q=par[v];
	if(p==q)
	{
		asked[u][v]=1;
		asked[v][u]=1;
		return 1;
	}
	if(cnte[p][q]==1)
	{
		asked[u][v]=1;
		asked[v][u]=1;
		join(p,q);
		return 1;
	}
	else
	{
		cnte[q][p]--;
		cnte[p][q]--;
		asked[u][v]=-1;
		asked[v][u]=-1;
		return 0;
	}
}

• Subtask 1: 15 / 15
• Subtask 2: 27 / 27
• Subtask 3: 58 / 58